I usually see if the bug is fixed with each kernel upgrade. Today with kernel 2.6.22-13-generic I got a kernel oops and a hard crash. This was not repeatable. Here is the pertinent parts of kern.log:
BUG: unable to handle kernel paging request at virtual address 6f777c91 Oct 6 13:17:16 localhost kernel: [ 208.244937] printing eip: Oct 6 13:17:16 localhost kernel: [ 208.244941] c0180d47 Oct 6 13:17:16 localhost kernel: [ 208.244945] *pde = 00000000 Oct 6 13:17:16 localhost kernel: [ 208.244952] Oops: 0000 [#1] Oct 6 13:17:16 localhost kernel: [ 208.244956] SMP Oct 6 13:17:16 localhost kernel: [ 208.244963] Modules linked in: rfcomm l2cap bluetooth ppdev speedstep_lib cpufreq_stats cpufreq_ondemand freq_table cpufreq_powersave cpufreq_conservative cpufreq_userspace video ac button dock sbs container battery lp snd_cs46xx gameport snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi nvidia(P) snd_rawmidi xpad i2c_core snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc serio_raw parport_pc parport pcspkr psmouse iTCO_wdt iTCO_vendor_support intel_rng shpchp pci_hotplug intel_agp agpgart ipv6 joydev evdev ext3 jbd mbcache usbhid hid sg sr_mod cdrom sd_mod 3c59x mii ehci_hcd floppy ohci_hcd aic7xxx scsi_transport_spi ata_piix ata_generic libata scsi_mod uhci_hcd usbcore dm_mirror dm_snapshot dm_mod thermal processor fan fuse apparmor commoncap Oct 6 13:17:16 localhost kernel: [ 208.245105] CPU: 1 Oct 6 13:17:16 localhost kernel: [ 208.245107] EIP: 0060:[vfs_read+71/352] Tainted: P VLI Oct 6 13:17:16 localhost kernel: [ 208.245111] EFLAGS: 00010202 (2.6.22-13-generic #1) Oct 6 13:17:16 localhost kernel: [ 208.245125] EIP is at vfs_read+0x47/0x160 Oct 6 13:17:16 localhost kernel: [ 208.245133] eax: 6f777c89 ebx: e3739000 ecx: 00000800 edx: 0806bf08 Oct 6 13:17:16 localhost kernel: [ 208.245141] esi: 0806bf08 edi: e51e9fa0 ebp: fffffff7 esp: e51e9f7c Oct 6 13:17:16 localhost kernel: [ 208.245148] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Oct 6 13:17:16 localhost kernel: [ 208.245157] Process aplay (pid: 6049, ti=e51e8000 task=e8da2f90 task.ti=e51e8000) Oct 6 13:17:16 localhost kernel: [ 208.245163] Stack: e51e8000 c018cb0c c01803b0 e3739000 fffffff7 00000000 e51e8000 c01812f1 Oct 6 13:17:16 localhost kernel: [ 208.245181] e51e9fa0 8f877c7a aba69d97 00000000 00000003 0806bf08 c01041d2 00000003 Oct 6 13:17:16 localhost kernel: [ 208.245198] 0806bf08 00000800 0806bf08 00000000 bfe04228 00000003 0000007b 0000007b Oct 6 13:17:16 localhost kernel: [ 208.245214] Call Trace: Oct 6 13:17:16 localhost kernel: [ 208.245223] [vfs_ioctl+92/656] vfs_ioctl+0x5c/0x290 Oct 6 13:17:16 localhost kernel: [ 208.245234] [do_sync_read+0/288] do_sync_read+0x0/0x120 Oct 6 13:17:16 localhost kernel: [ 208.245253] [sys_read+65/112] sys_read+0x41/0x70 Oct 6 13:17:16 localhost kernel: [ 208.245276] [sysenter_past_esp+107/169] sysenter_past_esp+0x6b/0xa9 Oct 6 13:17:16 localhost kernel: [ 208.245329] ======================= Oct 6 13:17:16 localhost kernel: [ 208.245334] Code: f7 ff ff ff f6 40 1c 01 75 16 89 e8 8b 5c 24 0c 8b 74 24 10 8b 7c 24 14 8b 6c 24 18 83 c4 1c c3 8b 40 10 85 c0 0f 84 ee 00 00 00 <8b> 50 08 85 d2 0f 84 d8 00 00 00 89 e0 89 f2 25 00 e0 ff ff 01 Oct 6 13:17:16 localhost kernel: [ 208.245413] EIP: [vfs_read+71/352] vfs_read+0x47/0x160 SS:ESP 0068:e51e9f7c Oct 6 13:17:16 localhost kernel: [ 208.245684] BUG: unable to handle kernel paging request at virtual address 6f777cbd Oct 6 13:17:16 localhost kernel: [ 208.245693] printing eip: Oct 6 13:17:16 localhost kernel: [ 208.245697] c017ea21 Oct 6 13:17:16 localhost kernel: [ 208.245700] *pde = 00000000 Oct 6 13:17:16 localhost kernel: [ 208.245705] Oops: 0000 [#2] Oct 6 13:17:16 localhost kernel: [ 208.245709] SMP Oct 6 13:17:16 localhost kernel: [ 208.245714] Modules linked in: rfcomm l2cap bluetooth ppdev speedstep_lib cpufreq_stats cpufreq_ondemand freq_table cpufreq_powersave cpufreq_conservative cpufreq_userspace video ac button dock sbs container battery lp snd_cs46xx gameport snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi nvidia(P) snd_rawmidi xpad i2c_core snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc serio_raw parport_pc parport pcspkr psmouse iTCO_wdt iTCO_vendor_support intel_rng shpchp pci_hotplug intel_agp agpgart ipv6 joydev evdev ext3 jbd mbcache usbhid hid sg sr_mod cdrom sd_mod 3c59x mii ehci_hcd floppy ohci_hcd aic7xxx scsi_transport_spi ata_piix ata_generic libata scsi_mod uhci_hcd usbcore dm_mirror dm_snapshot dm_mod thermal processor fan fuse apparmor commoncap Oct 6 13:17:16 localhost kernel: [ 208.245843] CPU: 1 Oct 6 13:17:16 localhost kernel: [ 208.245845] EIP: 0060:[filp_close+33/128] Tainted: P VLI Oct 6 13:17:16 localhost kernel: [ 208.245849] EFLAGS: 00010202 (2.6.22-13-generic #1) Oct 6 13:17:16 localhost kernel: [ 208.245868] EIP is at filp_close+0x21/0x80 Oct 6 13:17:16 localhost kernel: [ 208.245875] eax: 6f777c89 ebx: e3739000 ecx: e3739000 edx: f0ed4180 Oct 6 13:17:16 localhost kernel: [ 208.245883] esi: f0ed4180 edi: 00000000 ebp: f0ed4180 esp: e51e9e60 Oct 6 13:17:16 localhost kernel: [ 208.245891] ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068 Oct 6 13:17:16 localhost kernel: [ 208.245899] Process aplay (pid: 6049, ti=e51e8000 task=e8da2f90 task.ti=e51e8000) Oct 6 13:17:16 localhost kernel: [ 208.245904] Stack: e51e9e68 00000003 f5c90440 00000000 c012a3df 0000000c f0ed4180 e8da2f90 Oct 6 13:17:16 localhost kernel: [ 208.245921] 00000001 e8da3444 c012b641 c03b2810 c03b280c 00000000 00000001 e51e9ec0 Oct 6 13:17:16 localhost kernel: [ 208.245938] c0120688 00000000 0000000b 00000001 00000092 e51e9f44 e51e9f7c 00000000 Oct 6 13:17:16 localhost kernel: [ 208.245954] Call Trace: Oct 6 13:17:16 localhost kernel: [ 208.245969] [put_files_struct+143/176] put_files_struct+0x8f/0xb0 Oct 6 13:17:16 localhost kernel: [ 208.246002] [do_exit+337/2064] do_exit+0x151/0x810 Oct 6 13:17:16 localhost kernel: [ 208.246024] [__wake_up+56/80] __wake_up+0x38/0x50 Oct 6 13:17:16 localhost kernel: [ 208.246057] [die+607/608] die+0x25f/0x260 Oct 6 13:17:16 localhost kernel: [ 208.246088] [do_page_fault+827/1680] do_page_fault+0x33b/0x690 Oct 6 13:17:16 localhost kernel: [ 208.246118] [<f8b5f251>] snd_pcm_lib_write+0x51/0x70 [snd_pcm] Oct 6 13:17:16 localhost kernel: [ 208.246200] [do_page_fault+0/1680] do_page_fault+0x0/0x690 Oct 6 13:17:16 localhost kernel: [ 208.246213] [error_code+114/128] error_code+0x72/0x80 Oct 6 13:17:16 localhost kernel: [ 208.246248] [vfs_read+71/352] vfs_read+0x47/0x160 Oct 6 13:17:16 localhost kernel: [ 208.246264] [vfs_ioctl+92/656] vfs_ioctl+0x5c/0x290 Oct 6 13:17:16 localhost kernel: [ 208.246272] [do_sync_read+0/288] do_sync_read+0x0/0x120 Oct 6 13:17:16 localhost kernel: [ 208.246290] [sys_read+65/112] sys_read+0x41/0x70 Oct 6 13:17:16 localhost kernel: [ 208.246312] [sysenter_past_esp+107/169] sysenter_past_esp+0x6b/0xa9 Oct 6 13:17:16 localhost kernel: [ 208.246363] ======================= Oct 6 13:17:16 localhost kernel: [ 208.246367] Code: 00 00 00 00 8d bf 00 00 00 00 83 ec 10 89 5c 24 04 89 c3 89 74 24 08 89 d6 89 7c 24 0c 8b 40 14 85 c0 74 4a 8b 43 10 85 c0 74 3f <8b> 48 34 85 c9 74 38 89 d8 ff d1 89 c7 89 f2 89 d8 e8 49 55 03 Oct 6 13:17:16 localhost kernel: [ 208.246446] EIP: [filp_close+33/128] filp_close+0x21/0x80 SS:ESP 0068:e51e9e60 Oct 6 13:17:16 localhost kernel: [ 208.246479] Fixing recursive fault but reboot is needed! Oct 6 13:17:21 localhost kernel: [ 213.655173] BUG: unable to handle kernel paging request at virtual address 80808080 Oct 6 13:17:21 localhost kernel: [ 213.655190] printing eip: Oct 6 13:17:21 localhost kernel: [ 213.655194] c017cc7c Oct 6 13:17:21 localhost kernel: [ 213.655198] *pde = 00000000 Oct 6 13:17:21 localhost kernel: [ 213.655206] Oops: 0000 [#3] Oct 6 13:17:21 localhost kernel: [ 213.655210] SMP Oct 6 13:17:21 localhost kernel: [ 213.655216] Modules linked in: rfcomm l2cap bluetooth ppdev speedstep_lib cpufreq_stats cpufreq_ondemand freq_table cpufreq_powersave cpufreq_conservative cpufreq_userspace video ac button dock sbs container battery lp snd_cs46xx gameport snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi nvidia(P) snd_rawmidi xpad i2c_core snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc serio_raw parport_pc parport pcspkr psmouse iTCO_wdt iTCO_vendor_support intel_rng shpchp pci_hotplug intel_agp agpgart ipv6 joydev evdev ext3 jbd mbcache usbhid hid sg sr_mod cdrom sd_mod 3c59x mii ehci_hcd floppy ohci_hcd aic7xxx scsi_transport_spi ata_piix ata_generic libata scsi_mod uhci_hcd usbcore dm_mirror dm_snapshot dm_mod thermal processor fan fuse apparmor commoncap Oct 6 13:17:21 localhost kernel: [ 213.655359] CPU: 0 Oct 6 13:17:21 localhost kernel: [ 213.655361] EIP: 0060:[kmem_cache_alloc+76/144] Tainted: P VLI Oct 6 13:17:21 localhost kernel: [ 213.655365] EFLAGS: 00210082 (2.6.22-13-generic #1) Oct 6 13:17:21 localhost kernel: [ 213.655388] EIP is at kmem_cache_alloc+0x4c/0x90 Oct 6 13:17:21 localhost kernel: [ 213.655395] eax: 00000000 ebx: 00200286 ecx: c146e720 edx: 80808080 Oct 6 13:17:21 localhost kernel: [ 213.655403] esi: dfffe6c0 edi: 000000d0 ebp: f6373000 esp: f2d83e84 Oct 6 13:17:21 localhost kernel: [ 213.655411] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Oct 6 13:17:21 localhost kernel: [ 213.655419] Process metacity (pid: 5703, ti=f2d82000 task=f50df9f0 task.ti=f2d82000) Oct 6 13:17:21 localhost kernel: [ 213.655425] Stack: f25a5280 f2d83f30 00000001 f2d83f30 ffffffe9 c018197d e3739820 f2d83f30 Oct 6 13:17:21 localhost kernel: [ 213.655443] 00000001 f2d83f30 ffffffe9 c018b519 f2d83f30 ffffff9c f2d83f30 ffffff9c Oct 6 13:17:21 localhost kernel: [ 213.655461] f2d83f30 f2d83f30 c018b620 f2d83f30 00000001 00000000 00000001 c018b71a Oct 6 13:17:21 localhost kernel: [ 213.655477] Call Trace: Oct 6 13:17:21 localhost kernel: [ 213.655496] [get_empty_filp+61/352] get_empty_filp+0x3d/0x160 Oct 6 13:17:21 localhost kernel: [ 213.655520] [__path_lookup_intent_open+41/160] __path_lookup_intent_open+0x29/0xa0 Oct 6 13:17:21 localhost kernel: [ 213.655545] [path_lookup_open+32/48] path_lookup_open+0x20/0x30 Oct 6 13:17:21 localhost kernel: [ 213.655563] [open_namei+90/1536] open_namei+0x5a/0x600 Oct 6 13:17:21 localhost kernel: [ 213.655609] [do_filp_open+51/96] do_filp_open+0x33/0x60 Oct 6 13:17:21 localhost kernel: [ 213.655635] [check_pgt_cache+27/32] check_pgt_cache+0x1b/0x20 Oct 6 13:17:21 localhost kernel: [ 213.655685] [get_unused_fd+82/192] get_unused_fd+0x52/0xc0 Oct 6 13:17:21 localhost kernel: [ 213.655695] [getname+167/208] getname+0xa7/0xd0 Oct 6 13:17:21 localhost kernel: [ 213.655720] [do_sys_open+78/240] do_sys_open+0x4e/0xf0 Oct 6 13:17:21 localhost kernel: [ 213.655746] [sys_open+28/32] sys_open+0x1c/0x20 Oct 6 13:17:21 localhost kernel: [ 213.655758] [sysenter_past_esp+107/169] sysenter_past_esp+0x6b/0xa9 Oct 6 13:17:21 localhost kernel: [ 213.655812] ======================= Oct 6 13:17:21 localhost kernel: [ 213.655816] Code: 89 c3 fa 90 8d b4 26 00 00 00 00 90 64 a1 08 90 43 c0 8b 8c 86 90 00 00 00 85 c9 74 32 8b 41 0c 85 c0 74 2b 8b 51 0c 0f b7 41 0a <8b> 04 82 89 41 0c 89 d8 50 9d 90 8d b4 26 00 00 00 00 8b 5c 24 Oct 6 13:17:21 localhost kernel: [ 213.655896] EIP: [kmem_cache_alloc+76/144] kmem_cache_alloc+0x4c/0x90 SS:ESP 0068:f2d83e84 Oct 6 13:17:21 localhost kernel: [ 213.658015] BUG: unable to handle kernel paging request at virtual address 80808080 Oct 6 13:17:21 localhost kernel: [ 213.658033] printing eip: Oct 6 13:17:21 localhost kernel: [ 213.658039] c017cc7c Oct 6 13:17:21 localhost kernel: [ 213.658044] *pde = 00000000 Oct 6 13:17:21 localhost kernel: [ 213.658054] Oops: 0000 [#4] Oct 6 13:17:21 localhost kernel: [ 213.658058] SMP Oct 6 13:17:21 localhost kernel: [ 213.658068] Modules linked in: rfcomm l2cap bluetooth ppdev speedstep_lib cpufreq_stats cpufreq_ondemand freq_table cpufreq_powersave cpufreq_conservative cpufreq_userspace video ac button dock sbs container battery lp snd_cs46xx gameport snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi nvidia(P) snd_rawmidi xpad i2c_core snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc serio_raw parport_pc parport pcspkr psmouse iTCO_wdt iTCO_vendor_support intel_rng shpchp pci_hotplug intel_agp agpgart ipv6 joydev evdev ext3 jbd mbcache usbhid hid sg sr_mod cdrom sd_mod 3c59x mii ehci_hcd floppy ohci_hcd aic7xxx scsi_transport_spi ata_piix ata_generic libata scsi_mod uhci_hcd usbcore dm_mirror dm_snapshot dm_mod thermal processor fan fuse apparmor commoncap Oct 6 13:17:21 localhost kernel: [ 213.658294] CPU: 0 Oct 6 13:17:21 localhost kernel: [ 213.658297] EIP: 0060:[kmem_cache_alloc+76/144] Tainted: P VLI Oct 6 13:17:21 localhost kernel: [ 213.658300] EFLAGS: 00210082 (2.6.22-13-generic #1) Oct 6 13:17:21 localhost kernel: [ 213.658323] EIP is at kmem_cache_alloc+0x4c/0x90 Oct 6 13:17:21 localhost kernel: [ 213.658332] eax: 00000000 ebx: 00200282 ecx: c146e720 edx: 80808080 Oct 6 13:17:21 localhost kernel: [ 213.658342] esi: dfffe6c0 edi: 000000d0 ebp: f3bcbfa4 esp: f3bcbf40 Oct 6 13:17:21 localhost kernel: [ 213.658351] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Oct 6 13:17:21 localhost kernel: [ 213.658361] Process x-session-manag (pid: 5638, ti=f3bca000 task=f50de530 task.ti=f3bca000) Oct 6 13:17:21 localhost kernel: [ 213.658368] Stack: f3bcbf90 00000012 bfde66a4 00000000 bfde685c c018197d f3be0688 00000007 Oct 6 13:17:21 localhost kernel: [ 213.658395] bfde66a4 00000000 bfde685c c0186b3b 00000000 00000000 c036e2c3 bfde66a4 Oct 6 13:17:21 localhost kernel: [ 213.658421] 00000000 bfde685c c018763a 4707ed51 bfde66a4 00000000 bfde685c f3bca000 Oct 6 13:17:21 localhost kernel: [ 213.658445] Call Trace: Oct 6 13:17:21 localhost kernel: [ 213.658465] [get_empty_filp+61/352] get_empty_filp+0x3d/0x160 Oct 6 13:17:21 localhost kernel: [ 213.658494] [create_write_pipe+43/384] create_write_pipe+0x2b/0x180 Oct 6 13:17:21 localhost kernel: [ 213.658527] [do_pipe+26/192] do_pipe+0x1a/0xc0 Oct 6 13:17:21 localhost kernel: [ 213.658551] [sys_pipe+18/80] sys_pipe+0x12/0x50 Oct 6 13:17:21 localhost kernel: [ 213.658571] [sys_time+15/64] sys_time+0xf/0x40 Oct 6 13:17:21 localhost kernel: [ 213.658590] [sysenter_past_esp+107/169] sysenter_past_esp+0x6b/0xa9 Oct 6 14:10:43 localhost kernel: Inspecting /boot/System.map-2.6.22-13-generic Oct 6 14:10:43 localhost kernel: Loaded 25445 symbols from /boot/System.map-2.6.22-13-generic. -- certain sounds endlessly repeat at end https://bugs.launchpad.net/bugs/138797 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs